Schlage ND78 IND IS Classroom security lock(180-degree lockdown)
• Lever with key cylinder both sides; deadlatch
• In unlocked state latch is retracted by either lever
• Outside lever is made inoperative by rotating key in either lever 180 degrees counterclockwise and returning to start position
• Unlock outside lever by rotating key 180 degrees clockwise in either lever and returning to start position
• Inside lever always free for immediate egress